4E90001-109A

View detailed technical data, stock status, and sourcing information for: 4E90001-109A
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Federal Supply Group

Aerospace Craft Components and Accessories

Federal Supply Classification

1680 Miscellaneous Aircraft Accessories and Components

National Stock Number

1680-01-346-5943

Item Name Code

11554

Assigment Date

10/08/1991 (34 years ago)

A molded foam rubber, one-piece, fabric-covered seating accommodation designed to upholster the bottom frame of an aircraft seat. It may include slide or snap-type fasteners for installation, seat cover removal, closure of inspection data pocket, and the like. Excludes:cushion assembly, seat and back, aircraft; cushion, seat, parachute harness; cushion, seat, aircraft survival; and cushion, seat-survival kit, aircraft.

1 seating capacity, flight engineer/navigator seat fsc application data, asmodifiedby drawing. reference number differentiating characteristics, c-5b aircraft end item identification, upholstered portion is cloth special features

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

End Item Identification: c-5b aircraft
Seating Capacity: 1
Special Features: upholstered portion is cloth
Fsc Application Data: flight engineer/navigator seat
Reference Number Differentiating Characteristics: asmodifiedby drawing.

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
1680-01-202-3942	No Name Available	04/01/2002

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
3A077-0005-01-2	Aircraft Seat
4E90001-109A	Aircraft Seat

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 1680-01-346-5943?

The FSCG of the NSN 1680-01-346-5943 is 1680

Does the NSN 1680-01-346-5943 have a Schedule B code assigned?

Yes, the Schedule B code is 8803300060

Does NSN 1680-01-346-5943 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 1680-01-346-5943 contain precious materials?

Item does not contain precious metal.

Does NSN 1680-01-346-5943 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 1680-01-346-5943 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Tue, Oct 8, 1991